Extra-wide working voltage GPS continuous positioning and GPRS timing report illegal cutting line alarm ACC detection Support SMS query Intelligent anti-theft Cut and resume oil remotely Vibration/Displacement/Low battery/Power off/over speed alert Frequency WCDMA 850/900/1900/2100MHz Networks WCDMA/GSM/GPRS Backup Battery 3.7V 370mAh Operating voltage 10-75V Location time Cold start 35s-80s hot start 1s Location accuracy 5 meters Operating temperature -20~+55 Dimension 75*40*12mm Weight 39.5g